350 watt power inverter with 12v car battery , please advice If I can use this for my laptop and cell charger ? , how long will this last , I dont know anything about electronics, I bought power inverter which outputs 350 watt power , source for this is 12 v car battery
can I use 2 car batteries to one inverter please advice ?

any advice on charging my battery using solar battery charger or anything?
I bought this car battery , inverter to have power in case of power outage beacuse of hurricane sandy.

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You do realize that to provide any kind of real power, you are going to need far more than one car battery. You will most likely a large bank of batteries to run anything significant like a refrigerator or electric water heater.

Before you can tackle solar charging needs you first need to determine your intended consumption. That will lead to battery capacity and that to solar charging needs.

A solar panel is a poor choice for a hurricane anyway. Cloudy and rainy weather that accompanies hurricanes can last several days. No sun, no solar charging. Your money would be better spent on a generator.

Car batteries are poor choices for powering an inverter anyway. They are designed to deliver a large amount of current for a brief period and then to be charged immediately. What you want is to be able to deliver pretty much the same current over a long period of time.